Which of the following events are examples of the positive effects that can result from racial and ethnic blending?

i. Strong tension in a neighborhood between families from different backgrounds.
ii. Mutual respect between sports team members who practice different religions.
iii. Tolerance within a community for individuals with unique physical characteristics.
iv. Violent physical attacks between fellow students based on hair color differences.

A.
i. and ii.
B.
i. and iv.
C.
ii. and iii.
D.
iii. and iv.

C-Tolerance within a community for individuals with unique physical characteristics + Mutual respect between sports team members who practice different religions.

Explanation:

The investiture controversy began as a power struggle between pope gregory vii (1072–85) and henry iv, holy roman emperor (1056–1106).[2] a brief but significant struggle over investiture also occurred between henry i of england and pope paschal ii in the years 1103 to 1107, and the issue played a minor role in the struggles between church and state in france, as well.by undercutting the imperial power established by the salian emperors, the controversy led to nearly 50 years of civil war in germany, and the triumph of the great dukes and abbots. imperial power was finally re-established under the hohenstaufen dynasty. historian norman cantor:

Answer. first blank ; ; ; clockwise; the second blank; ///clockwise;